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Outlook 2007 multiple messages received

by centaur6 / December 14, 2008 8:44 AM PST

I have been receiving the same message multiple times from my internet mail server on my laptop. when I send and receive the server sends three copies of each new message. what is causing this andd how do I fix it

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"Leave Message On Server" Is Enabled?
by Grif Thomas Forum moderator / December 15, 2008 3:25 AM PST

See the link below to find where to UNCHECK the option to leave a message on the server.

By the way, if you haven't installed the most recent service pack for Office 2007, please do so.. It fixes a number of issues such as you are seeing.

Hope this helps.


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by jrsaba89 / July 1, 2009 7:24 PM PDT

I am having a problem where Outlook 2007 is showing me that the message failed to deliver however it is being recieved on the other side 7 times.
Whats happening???

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More Information Please
by Grif Thomas Forum moderator / July 2, 2009 1:42 AM PDT
In reply to: OUTLOOK 2007

Have you installed the latest service pack for Office 2007?

Which operating system are you using?

What type of mail service are you using? Exchange Server? POP3? Something else?

What type of mail client is the receiver using?

As it may be a problem with the receiver and NOT the sender, do other receivers of your mail have the same problem?

Hope this helps and let us know more.


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Similar problem
by daveg955 / July 28, 2009 4:01 PM PDT

I'm having similar issues with a couple of computers at work. An email with an 8MB or larger attachment will get "stuck in the out box and send the message (with attachment) repeatedly... until the message is deleted from the out box.

I will reply to the questions you gave to the previous poster:

SP: Not sure if the latest SP is installed (I'm at home right now).
OS: Windows Vista Business
Mail: POP3
We have hundreds of different recipients; from individuals at home to employees at university and state government offices.

All computers in our office are on Vista Business and using Outlook 2007 (Office Pro). Not all computers are experiencing this problem. The apparent common factor with the problematic computers is the size of the attachment. The type of attachment (PDF, .doc, .xls) does not seem to matter. Our email server is not configured to limit the size of attachments.

I will check the SP on all computers in the morning. In the meantime, if you have any other suggestions/ideas, I'm all ears, er... eyes.

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Normal Solution For Such
by Grif Thomas Forum moderator / July 29, 2009 3:31 AM PDT
In reply to: Similar problem

Here's an article that might help in your situation.

Still, it's important to make sure you have an Exchange server or Exchange appliance that supports larger file sizes..Then...Make sure your Office 2007 installations have the most recent Service Pack installed and if that doesn't fix it....Don't send large email attachments.. Generally, although Outlook 2007 doesn't impose any size limits for attachments, 5 MB is the effective "Best Practice" size limit indicated by Microsoft Exchange support. It's common for Outlook to freeze when sending messages with such large sizes. Our server has a 10 MB size limit but when older, slower machines attempt to send large attachments, they frequently don't get the job done.

As long as the server supports such large sizes, can some machines handle the larger file sizes? Yes.. But is it a best practice??.. Not really. Here's an article about it:

Hope this helps.


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Adjust time-outs
by psbridge / July 7, 2010 12:59 AM PDT

When sending an email with a largish attachment (even 1MB+) it may time-out (or think it has) then try to re-send it, resulting in repeated sends that don't actually register in the Sent folder. (See if you get error message 0x8004210B). To fix this in Outlook 2007 go to Tools/Account Settings and double click on the Name of the account to Change. More Settings. Advanced tab. Server time-outs is probably set to 1 minute. Try increasing with slider - max. is 10 minutes, but maybe 5 will be enough. This was all I needed to do to fix the problem I'd had for weeks. If you dig far enough you'll also find a reference to this in

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